It's what (Sir) Terry Pratchett would call "a pune, or play on words". Maybe it's a cultural thing; remember I'm a lifelong and landlocked Englander so I've never been further west than Barmouth, Tywyn or Aberystwyth (although I have spent some time in Portmeirion, a.k.a. The Village, trying to convince them I'm not a number - I am a free man).
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'
